ms-master contains a copy of ANGLE that is regularly updated from the ANGLE master branch.
It also contains recent changes made by Microsoft that have not yet been merged back to ANGLE master
(our goal is to eventually merge everything, but if you want the latest and greatest
Windows Store features, you will find them here first)

The ms-master branch and ms-win8.1 branch contain the source code used to build the ANGLE binaries that we publish on NuGet.
The NuGet package with Windows 10 (UWP) binaries is available here.
The NuGet package with Win8.1/Phone8.1 binaries is available here.

Feature Support

ANGLE supports different versions of OpenGL ES depending on the capabilities of the underlying hardware.
In particular, the supported version depends on which
D3D Feature Levels
the hardware supports: